Pseudoconcave
伪凹(的)
🗣️ 情景例句
Is there a station near here?
附近有地铁站吗？
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。